J.J. Balmer，在19世纪是一名教师，他是第一个描述这些可以从氢气中看到的线条的人。
J.J. Balmer, who was a school teacher in the 1800s, was the first to describe these lines that could be seen from hydrogen.
从7岁到17岁，诺曼的大部分时间都在农场度过，甚至是当他在新俄勒冈州霍华德县的一所只有一间教室和一名教师的学校上学的时候。
Norman spent most of his time from age 7-17 on the farm, even as he attended a one-room, one-teacher school at New Oregon in Howard County.
幸运的是，在他15岁的时候，他来到了美国学习，然后成为了一名教师。
Luckily, when he was 15, he came to study in America and then became a teacher.
应用推荐